China Wholesale Tap Hole Drill Bit Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE

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Reliable quality and good credit standing are our principles, which will help us at a top-ranking position. Adhering to the tenet of "quality first, customer supreme" for Drill Bit To Drill Holes, Drill Hole In Rock With Dremel, Hard Rock Drilling Bits, Good quality would be the key factor to the company to stand out from other competitors. Seeing is Believing, want far more info? Just trial on its items!

China Wholesale Tap Hole Drill Bit Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE Detail:

Bench and long-hole drilling ST68 (2 3/4″)

R25 (1”)
R28 (1 1/8”)
R32 (1 1/4”)
R/T38 (1 1/2”)
T45 (1 3/4”)
T51 (2”)
T60 (2 3/8”)
Drill bit R/T38
Extension rod T38 – Hex. 32 mm – T38
Extension rod T38 – Round 38 mm – T38 (Speedrod)
Extension rod R38 – Round 38 mm – R38
Extension rod T38 – Round 38 mm – T38
Extenstion rod T38 – Round 38 mm – T38 (with double thread)
Guide rod T38 – Round 45 mm – T38 (Speedrod)
Guide tube T38
Coupling R/T 38

Bits

Diameter

Buttons,mm

Angle

Flushing hole

Weight approx kg

Part No.

Front

No Size

Gauge

No Size

Type

Front

Gauge

Button bit

102

4”

8×12

10×12

35º

5.2

1432-102ST68-812/1012-45-51

115

4 1/2”

8×14

10×14

35º

5.9

1432-115ST68-814/1014-45-51

Button bit
	102	4”	6×13	8×14	35º	2	-	5.5	1431-102ST68-613/814-45-41

Button bit, Retrac
	102	4”	8×12	10×12	35º	4	-	6.2	1632-102ST68-812/1012-45-51
	115	4 1/2”	8×14	10×14	35º	4	-	8.4	1632-115ST68-814/1014-45-51
	102	4”	7×12	9×12	35º	3	-	6.2	1531-102ST68-712/912-45-41
	115	4 1/2”	7×13	9×13	35º	3	-	8.4	1531-115ST68-713/913-45-41

Collaring bit, ST68
	152	6”	8×16	9×16	35º	3	-	9.8	1431-152ST68-816/916-45-41

Reaming bit, ST68
	152	6”	6×14	8×14	35º	4	-	14.0	1441-152ST68-614/814-45-41

Tubes	Length		Diameter		Weight approx kg	Part No.
	mm	ft/in	mm	inch
Drill tube, ST68－Round87－ST68
	1525	5＇	87	3 1/2′	40.0	24G87-ST68/87-1525-23
	1830	6＇	87	3 1/2′	47.0	24G87-ST68/87-1830-23

production process

certificate

Carburization is a process used to harden the entire rod surface both internally and externally to strengthen and extend the life of the rod.
High Frequency Induction is a process where only the thread ends of the rod are hardened to lengthen thread life.
Our comprehensive range of bench and production rock drilling tools includes everything from 1” rope thread equipment all the way up to T60 thread equipment, Many customers say that our rods, tubes and button bits are the best on the market today. Let’s just say they will improve productivity considerably.

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We pursue the management tenet of "Quality is remarkable, Company is supreme, Name is first", and will sincerely create and share success with all clientele for China Wholesale Tap Hole Drill Bit Factory – Bench and long-hole drilling ST68 (2 3/4″) – LYNE , The product will supply to all over the world, such as: London, Cambodia, Surabaya, Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.

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